Home / 11,126-15,353.90-6,934.25

Finding the Fourth Proportional to 11,126, 15,353.90 and 6,934.25

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Solution

The fourth proportional to 11,126, 15,353.90 and 6,934.25 is: 9,569.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,126 : 15,353.90 = 6,934.25 : x
  2. Step 2: Convert to fraction form
    11,126/15,353.90 = 6,934.25/x
  3. Step 3: Cross multiply
    11,126x = 15,353.90 × 6,934.25
  4. Step 4: Simplify right side
    11,126x = 106,467,746.40
  5. Step 5: Solve for x
    x = 106,467,746.40/11,126
  6. Step 6: Final answer
    x = 9,569.27

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.